Home / 30,948.52-42,708.29-16,801.36

Finding the Fourth Proportional to 30,948.52, 42,708.29 and 16,801.36

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Solution

The fourth proportional to 30,948.52, 42,708.29 and 16,801.36 is: 23,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948.52 : 42,708.29 = 16,801.36 : x
  2. Step 2: Convert to fraction form
    30,948.52/42,708.29 = 16,801.36/x
  3. Step 3: Cross multiply
    30,948.52x = 42,708.29 × 16,801.36
  4. Step 4: Simplify right side
    30,948.52x = 717,557,355.27
  5. Step 5: Solve for x
    x = 717,557,355.27/30,948.52
  6. Step 6: Final answer
    x = 23,185.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.